The Strainer,sediment, cataloged under National Stock Number 4730-01-313-9491, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Haywardindl. Products, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-313-9491 |
| Primary Part Number | SY085010BR20A |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Haywardindl. Products, Inc. |
| Status | ACTIVE |
| Distance From Bottom of Body to Center of Inlet | 4.875 INCHES NOMINAL IN |
| First Intake Flange Raised Face Diameter | 2.000 INCHES NOMINAL IN |
| First Intake Flange Thickness | 0.375 INCHES NOMINAL IN |
| First Intake Flange Outside Diameter | 4.250 INCHES NOMINAL IN |
| First Intake Connection Type | RAISED FACE FLANGE LINE |
| Style Designator | Y STRAINER W/BOLTED COVER |
| Material Document and Classification | ASTM,A351-GR-CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| Body Length | 6.375 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | STEEL COMP 316 FILTERING MEDIUM |
| Material | STEEL CORROSION RESISTING BODY |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| First Intake Flange Face Style | RAISED |
| First Intake Flange Raised Face Height | 0.062 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23059317-2 | Rolls-Royce Corporation (USA) |
| SY085010BR20A PRIMARY | Haywardindl. Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SY080010BR20A | 5/9 Secondary reference Haywardindl. Products, Inc. |
| SY-SS-150R-1 PIECE 1 | 5/9 Secondary reference Haywardindl. Products, Inc. |
| SY-SS-150R-1 | 5/9 Secondary reference Haywardindl. Products, Inc. |
NSN 4730-01-313-9491 is a Strainer,sediment, manufactured by Haywardindl. Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-313-9491 has 2 manufacturer part numbers on file: 23059317-2 (Rolls-Royce Corporation), SY085010BR20A (Haywardindl. Products, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-314-4244, 4730-01-314-4252. Verify interchangeability with system specifications before substitution.
Key specifications for SY085010BR20A: Distance From Bottom of Body to Center of Inlet: 4.875 INCHES NOMINAL IN; First Intake Flange Raised Face Diameter: 2.000 INCHES NOMINAL IN; First Intake Flange Thickness: 0.375 INCHES NOMINAL IN; First Intake Flange Outside Diameter: 4.250 INCHES NOMINAL IN. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.